Window-shade roller



J. A. HOLMES.

WINDOW SHADE ROLLER,

APPLICATION FILED OCT. 27, 1919.

1,346,406. Pmented u y 13, 1 20.

N I 2 r 3 l 1 I I *s m k INVENTUE' .LA. HULMEE ATT'Y UNITED STATES JOHANNES A. HOLMES, OF EUREKA, CALIFORNIA.

Specification of Letters Patent.

WINDOW-SHADE noLLnR.

Patented July 13, 1920.

Application filed October 27. 1919 Serial No. 833,600.

'1 0 all whom it may concern:

Be it known that I, JOHANNES A. HoLMns, a citizen of the United States, residing at Eureka, in the county-of Humboldt and State of California have invented new and useful Improvements in Window-Shade Rollers, of which the following is a specification.

The object of the present invention is to provide a window shade roller which can be raised or lowered to any position with reference to the window and from which the shade can be extended when it is in any position desired.

In the accompanying drawing, Figure 1 is a vertical section of my improved window shade rollerg Fig. 2 is an enlarged cross section thereof on the line 22 of Fig. 1, showing also in side elevation a guide for the roller; Fig. 8 is a broken front view of one end of said "roller and said guide; Fig. 4 is a front view of a fastening device for a tape; Fig. 5 is a sectional view of the same; Fig. 6 is a front view of awindow equipped with my improved window shade roller; Fig. 7 is a section on the line 77 of Fig. 1.

Referring to the drawing, 1 indicates a window of the usual construction, and 2 the window frame therefor. On the frame on each side of the window and nearly co-extensive in height with the window is fastened by screws 3 a vertical channel-shaped guide 4, the channels being disposed inwardly or toward each other.

At the top of each channel-shaped guide 4 is secured the upper end of a tape 6, said tape being secured by means of screws 7 extending through an outer plate 8 and an innor casting 9 resting against the window frame, said screws being screwed into said window frame. The surfaces of the plate and casting between which the tape is held are of a like undulatory form, and thus the tape is effectively clamped between said surfaces. The tape extends downward on the top of the channel-shaped guide, as clearly shown in Fig. 2, and is wound around a flanged wheel 11, the flanges of which engage the channel-shaped guide. The wheels 11 are screwed on the ends of shafts 13, 14, and around said shaft 13 at one side of the window is a sleeve 16 which, at the outer end is extended at right angles to said shaft in the form of a plate 17 having two arms 18, 19, the arm 19 being at its end bent at right angles and engaging the outer wall of therewith. The result of this construction is that, as the w1ndow shade roller is drawn down, the wheels 11 are caused to travel on the channel-shaped guides 4, and the spring 26 is wound up, since the end attached to the enlargement 23 is stationary because said enlargement is prevented from rotating by the engagement of the roller 22, with the channel-shaped guide, while the other end of the spring is rotated with the tube 27. and with the shaft 13 and with the wheel 11;

Said tube rotates within a shade roller tube 31, which is made extensible, having a section 32 telescoped into the main section 31, while into the tube 27 telescopes a tube section 33 secured to the shaft 14 carrying the wheel 11 at the other end of the shade roller. Around the shaft 14 extends loosely a plate 34 bent at one end to engage the channel-shaped guide, and at the other end carrying a shaft 36 on which is mounted a roller 37 engaging the outer side of said channel shaped guide. From said shade roller about midway thereof extends inwardly a diaphragm 38 carrying pawls 39 which enter recesses 41 in the tube and lock the shade roller to the tube against rotation in one direction, while permitting rotation in the opposite direction. To said diaphragm is connected one end of a spring 42- coiled around the tube 27, the other end of which is secured to the tube. This spring controls rotation of the shade roller upon the tube and shaft secured to the tube, and thus effects the winding up of the shade upon the shade roller.

I claim r 1. A window shade roller comprising a tubular roller, a shaft within the roller, wheels secured to said shaft, bands wound around said wheels, the outer ends of said bands being secured to the window frame, guides secured to a window frame on each side of the window, a sleeve around said shaft having a member engaging the adjacent guide, a spring coiled around said shaft,

and attached thereto at one end, the other end being attached to the sleeve, a second spring coiled around said shaft, attached thereto at one end, the other end being attached to said outer tube,' and'a pawl 'secured to said outer tube and engagin'g'a' notch in the shaft. I

2. A wlndow shade rollercomprising a tubular roller, a c'entralishaft within the roller, Wheels secured to the ends of said shaft, vertical narrow bands oundaround said Wheels, guides seeured to the Window 7 frame on each side of the Window and upon which said bands rest, the upper ends of saidbands being secured at the upper ends 15 of said guides, a sleeve around said shaft havin a member en a in the ad'acent O F) D end-beingattached to the sleev'e,a second 20 spring coiled around said shaft, attached thereto at one end, the other end beingattached to said outer tube, and pawls secured to said outer tube and engagingflnotches in the shaft. 4 V a I J OHANN ES A. HOLMES. 

